At the Molecular Level, Which of the Following Best Explain

Multiple Choice

At the molecular level, which of the following best explain heterozygous advantage and overdominance?

A) A heterozygous individual can produce more varieties of homodimer proteins
B) The alleles produce two different proteins with slightly different functions
C) The proteins produced by the alleles may provide a broader range of environmental tolerance, such as temperature ranges
D) Infectious organisms may recognize only a specific functional protein
E) All of the answers are possibilities